Edwardsville Illinois Climate Data

Monthly Average Climate Data for Edwardsville Illinois

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-4.7 °C4.2 °C67.56 mm
February-3.1 °C7.2 °C61.47 mm
March2.1 °C12.9 °C88.65 mm
April8.1 °C19.3 °C126.24 mm
May14.1 °C24.3 °C132.08 mm
June19 °C29.2 °C121.67 mm
July20.8 °C30.8 °C112.52 mm
August19.9 °C30.3 °C100.33 mm
September15.1 °C26.8 °C78.99 mm
October9 °C20.4 °C84.84 mm
November2.6 °C12.7 °C89.66 mm
December-2.1 °C6.7 °C68.83 mm
Annual8.4 °C18.7 °C1132.84 mm

Climate Data for Edwardsville Illinois

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7a : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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